Files pulled from pubchem

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/methane/SDF?record_type=3d https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/ammonia/SDF?record_type=3d https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/water/SDF?record_type=3d https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6329/SDF?record_type=3d https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/water/SDF?record_type=3d https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/ccl4/SDF?record_type=3d https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/hexane/SDF?record_type=3d